Diclofop (restricted-use herbicide)

Trade name(s) Hoelon

Manufacturer(s) Bayer CropScience

Formulation(s) 3 lb/gal emulsifiable concentrate

Remarks A selective herbicide applied postemergence. Controls several grass species; has some residual activity. Antagonistic response if mixed with phenoxy herbicides.

Water solubility 3,000 ppm

Storage conditions Store above 20°F. If frozen, warm and agitate.

Acute toxicity LD50 - 580 mg/kg

Action in plant Inhibits growing points in grasses.

Site of action Group 1: acetyl CoA carboxylase (ACCase) inhibitor

Chemical family Aryloxyphenoxy propionate

Koc Average is 16,000 mL/g for the methyl ester.